“I have been careless, and so have been thwarted by luck and chance, those wreckers of all but the best laid plans.”

“I hope you're pleased with yourselves. We could all have been killed - or worse, expelled. Now if you don't mind, I'm going to bed.”

“The knowledge that you have emerged wiser and stronger from setbacks means that you are, ever after, secure in your ability to survive. You will never truly know yourself, or the strength of your relationships, until both have been tested by adversity. Such knowledge is a true gift, for all that it is painfully won, and it has been worth more than any qualification I ever earned.”

“Lily and James only made you Secret-Keeper because I suggested it,” Black hissed, so venomously that Pettigrew took a step backward. “I thought it was the perfect plan... a bluff... Voldemort would be sure to come after me, would never dream they’d use a weak, talentless thing like you... It must have been the finest moment of your miserable life, telling Voldemort you could hand him the Potters.”

“Oh well... I'd just been thinking, if you had died, you'd have been welcome to share my toilet.”

“Enter, stranger, but take heedOf what awaits the sin of greed,For those who take, but do not earn,Must pay most dearly in their turn,So if you seek beneath our floorsA treasure that was never yours,Thief, you have been warned, bewareOf finding more than treasure there.”

“It is a curious thing, Harry, but perhaps those who are best suited to power are those who have never sought it. Those who, like you, have leadership thrust upon them, and take up the mantle because they must, and find to their own surprise that they wear it well.”